SEARCH Articles Figures Tables A Liquid-state ID spectrum of precursor dissoived in CD2CI2 and ID MAS spectra of . The liquid-state spectrum was acquired at 7 T and the solid-state spectra were acquired at 16.45 T using 59,524 Hz MAS. Adapted with permission from Ref. . Copyright 2014 Macmillan Publishers Limited. [Publishers Imprint]